Pentax files a patent for a DA 12-35mm f/3.5-4.5 AL WR SDM lens

• 13 years ago
• Categories: Pentax
• Tags: Patents

Pentax filed for a patent in Japan for a DA 12-35mm f/3.5-4.5 AL WR SDM lens:

• Patent number: 2010-282230
• Release date: December 16th, 2010
• Filing date: September 10th, 2010
• Focal length: 12.30-34.50mm
• Aperture: 3.6-4.5
• Angle of view: 101.2-44.0°
• 3 aspherical elements
• Suited for APS-C format cameras